78426286043 has 4 divisors (see below), whose sum is σ = 89630041200. Its totient is φ = 67222530888.

The previous prime is 78426286027. The next prime is 78426286049. The reversal of 78426286043 is 34068262487.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78426286043 - 2⁴ = 78426286027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78426285982 and 78426286000.

It is not an unprimeable number, because it can be changed into a prime (78426286049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5601877568 + ... + 5601877581.

It is an arithmetic number, because the mean of its divisors is an integer number (22407510300).

Almost surely, 2^78426286043 is an apocalyptic number.

78426286043 is a deficient number, since it is larger than the sum of its proper divisors (11203755157).

78426286043 is a wasteful number, since it uses less digits than its factorization.

78426286043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203755156.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 78426286043 in words is "seventy-eight billion, four hundred twenty-six million, two hundred eighty-six thousand, forty-three".